A live demonstration uses artificial intelligence and facial recognition in dense crowd spatial-temporal technology at the Horizon Robotics exhibit at the Las Vegas Convention Center during CES 2019 in Las Vegas on January 10, 2019. (Photo by DAVID MCNEW / AFP)

When do AI-related inventions merit a patent?

A live demonstration uses artificial intelligence and facial recognition in dense crowd spatial-temporal technology at the Horizon Robotics exhibit at the Las Vegas Convention Center during CES 2019 in Las Vegas on January 10, 2019. (Photo by DAVID MCNEW / AFP)